Location: North and South Dakota
Population: 13,177
Date of Constitution: as revised and approved in 2006
Year: 2006
More resources: Sisseton-Wahpeton Oyate
Nation's website: swo-nsn.gov
Sisseton-Wahpeton Oyate Nation. 2006. "Revised Constitution and By-Laws of the Sisseton-Wahpeton Oyate Nation." Agency Village, SD.